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Write calculations on paper in spreadsheet formatting. Does not have to be exact. Using the existing and final contour lines, determine the elevations of the grid points, both before (existing) and after (proposed) construction. Using the grid method, determine the amount of cut, fill and any excess to dispose of, or borrow material needed in C.Y. NEED DETAILED STEP BY STEP HANDWRITTEN SOLUTION The figure is given in next page 1211 1210. 7시 1209- 2 3₁ LO 5 9 1210- 1208- Find the existing ground elevations across the whole grid. -1212 B 1209 --1211 1207- 1208- 1210 -1209 1206- -1207 Future Warehouse Site Existing Contours-- 1206- Grid Spacing is 20 feet -1208 0 1205-- --1206- 10 20 Scale: 1" 20' -1207 E 1205 -1204. Pr Mr Existing Roadway CIVT-2100 Measuring Earthwork